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Finding the Fourth Proportional to 57,668.80, 79,582.81 and 32,518.12

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Solution

The fourth proportional to 57,668.80, 79,582.81 and 32,518.12 is: 44,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,668.80 : 79,582.81 = 32,518.12 : x
  2. Step 2: Convert to fraction form
    57,668.80/79,582.81 = 32,518.12/x
  3. Step 3: Cross multiply
    57,668.80x = 79,582.81 × 32,518.12
  4. Step 4: Simplify right side
    57,668.80x = 2,587,882,805.01
  5. Step 5: Solve for x
    x = 2,587,882,805.01/57,668.80
  6. Step 6: Final answer
    x = 44,874.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.